<!DOCTYPE html>
<html>
<head>
  <style type="text/css" media="screen">
    .wrapper {
      width: 300px;
      height: 300px;
      -webkit-box-sizing: border-box;
      padding: 100px;
      margin: 20px;
      display: inline-block;
    }
    
    .top {
        height: 150px;
        padding: 25px 100px;
    }
    
    
    .box {
      position: relative;
      width: 100px;
      height: 100px;
      display: inline-block;
    }
        
  </style>
</head>
<body>
  
  <p>The shadow should look identical relative to the box in each case.</p>
  <div class="top wrapper">
    <div class="box" style="box-shadow: 0 10px 20px black; transform: scale(2, 1)"></div>
  </div>

  <div class="top wrapper">
    <div class="box" style="box-shadow: 0 10px 20px black; transform: rotate(45deg)"></div>
  </div>

  <div class="wrapper">
      <div class="box" style="box-shadow: 0 10px 20px black; transform: rotate(45deg) scale(1.7)"></div>
  </div>

  <div class="wrapper">
      <div class="box" style="box-shadow: 0 10px 20px black; transform: rotate(45deg) scale(0.8)"></div>
  </div>

</body>
</html>
